blob: 9237a0e6498eff0cca905e2540845bceca05d41d [file] [log] [blame]
PREFIX : <http://example/>
PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>
PREFIX xsd: <http://www.w3.org/2001/XMLSchema#>
SELECT ?v ?p
WHERE
{ ?x :p ?v
FILTER regex(?v, "^a")
OPTIONAL
{
:x ?p ?x .
FILTER regex(?v, "^aa")
}
}